Lot Size to Acres Calculator - Land Area Calculator & Real Estate Calculator
Free lot size to acres calculator & land area calculator. Calculate acres, square feet, square meters, and get zoning information. Our calculator uses real estate industry standards to determine accurate land measurements and development potential.
Last updated: October 19, 2025
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Total Acres
0.115
Square Feet
5,000
Square Meters
464.52 m²
Recommendation
Good size for single-family home with yard space. May allow for accessory dwelling unit.
Lot Size Calculator Types & Features
Area formula
Length × Width
Simple rectangular lot area calculation with unit conversions
Supported shapes
Rectangle, Square, Triangle
Accurate calculations for various lot shapes and configurations
Zoning analysis
R-1, R-2, Agricultural
Zoning classification and development potential assessment
Unit conversions
Acres ↔ Sq Ft ↔ Sq M
Convert between different land measurement units
Development options
Residential, Commercial, Mixed
Assess development potential and permitted uses
Value factors
Size, Location, Zoning
Consider lot size impact on property value and marketability
Quick Example Result
For a 100' × 50' rectangular lot:
Total Acres
0.115
Square Feet
5,000
How Our Lot Size to Acres Calculator Works
Our lot size to acres calculator uses standard land measurement formulas and real estate industry practices to determine accurate area calculations. The calculation applies real estate standards to ensure precise measurements for property analysis and development planning.
Land Measurement Formulas
Acres = Square Feet ÷ 43,560Square Meters = Square Feet × 0.092903Rectangle Area = Length × WidthTriangle Area = (Base × Height) ÷ 2These formulas ensure accurate land area calculations for various lot shapes. The 43,560 square feet per acre is the standard conversion used in the United States for land measurements.
Shows different lot shapes and area calculation methods
Real Estate Standards
Lot size calculations are based on real estate industry standards and land surveying practices. These standards ensure accurate property measurements for legal descriptions, zoning compliance, and development planning. Professional surveys provide the most accurate measurements for legal purposes.
- 1 acre = 43,560 square feet (standard US measurement)
- 1 hectare = 2.47 acres = 10,000 square meters
- Minimum lot sizes vary by zoning (typically 0.1-2+ acres)
- Lot coverage restrictions limit building footprint percentage
- Setback requirements affect buildable area
- Zoning classifications determine permitted uses and density
Sources & References
- U.S. Geological Survey (USGS) - Land Measurement StandardsOfficial reference for land measurement and surveying standards
- American Land Title Association (ALTA) - Survey StandardsProfessional standards for land surveys and property measurements
- National Association of Realtors - Property Measurement GuidelinesReal estate industry standards for property measurements
Need help with other real estate calculations? Check out our land development calculator and home replacement calculator.
Get Custom Calculator for Your BusinessLot Size to Acres Calculator Examples
Lot Properties:
- Dimensions: 150' × 100'
- Shape: Rectangle
- Total area: 15,000 sq ft
- Location: Suburban residential
Calculation Steps:
- Calculate area: 150 × 100 = 15,000 sq ft
- Convert to acres: 15,000 ÷ 43,560 = 0.344 acres
- Convert to square meters: 15,000 × 0.092903 = 1,394 m²
- Determine lot category: Medium to Large lot
Result: 0.344 acres (15,000 sq ft) - Medium to Large lot
Suitable for single-family home with substantial yard space and potential for subdivision.
Small Lot Example
50' × 100' = 5,000 sq ft
0.115 acres - Small lot
Large Lot Example
200' × 200' = 40,000 sq ft
0.918 acres - Large lot
Frequently Asked Questions
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